CHEMICAL REACTION ENGINEERING QUIZ

Reaction can be accomplished with small reactor

Conversion can be obtained with a high feed rate

None of these

Both A and B

τ = θ , for a non-isothermal reactor

τ = θ , when the fluid density changes in the reactor

τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant

τ and θ are always equal

Decreases

May increase or decrease depending on the type of reaction

Increases

Remains same

Fluidised bed reactor followed by a fixed

Fixed

Fixed bed reactor followed by a fluidised

Fluidised

(1 - x)

(1 + x)²

(1 - x)²

(1 + x)

Inhibit catalyst poisoning

Increase the activity of a catalyst

Have very high selectivity

Provide large surface area with a small amount of active material

Temperature and composition only

Pressure and temperature only

Pressure and composition only

Pressure, temperature and composition

More uniform operating conditions

Higher overall selectivity for a first order consecutive reaction

Permits operation at the optimum temperature for a long reaction time

All of these

2 & 1

11 & 2

1 & 1

2 && 2

10000

100

100000

1000